You would like read that before Upgrade your Idevice 4 ? - GSM-Forum

leonard devinci · 11-24-2010, 07:50

Thanks to Semaphore (creator of tiny umbrella) for this information:
It seems that Apple has decided to put a baseband requirement on iOS. So at this point, if you are using Saurik’s server or tiny umbrella and trying to restore 4.2.1 on an iPhone 4, you will end up in recovery mode and tiny umbrella will not be able to pull you out of recovery. In this case, you will have to restore 4.1 again or you will have to restore 4.2.1 stock and be tether jailbroken. (Of course, I recommend 4.1 and not bothering with 4.2.1 at all). If you are an unlocker, this is a no brainer. Do not update to 4.2.1 even to test it at this point.

Original link here : iOS 4.2.1 Has Baseband Requirement | iPhone News, Help and Guides

lee lieng · 11-24-2010, 08:54

Nice information for every unlocker who not want lose them Idevice .
Big up dear

psytr0nic · 11-24-2010, 09:02

Usefull for avoid much problem .

sit@ · 11-24-2010, 09:46

nice dear , it will help everybody who search before job .

11-24-2010, 07:50	#1 (permalink)
leonard devinci Banned Join Date: Nov 2010 Location: where we take time for read Age: 38 Posts: 671 Member: 1440240 Status: Offline Sonork: JiBriL DcTeAm Thanks Meter: 116	You would like read that before Upgrade your Idevice 4 ? Thanks to Semaphore (creator of tiny umbrella) for this information: It seems that Apple has decided to put a baseband requirement on iOS. So at this point, if you are using Saurik’s server or tiny umbrella and trying to restore 4.2.1 on an iPhone 4, you will end up in recovery mode and tiny umbrella will not be able to pull you out of recovery. In this case, you will have to restore 4.1 again or you will have to restore 4.2.1 stock and be tether jailbroken. (Of course, I recommend 4.1 and not bothering with 4.2.1 at all). If you are an unlocker, this is a no brainer. Do not update to 4.2.1 even to test it at this point. Original link here : iOS 4.2.1 Has Baseband Requirement \| iPhone News, Help and Guides

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11-24-2010, 08:54	#2 (permalink)
lee lieng Freak Poster Join Date: Jun 2010 Posts: 103 Member: 1323560 Status: Offline Thanks Meter: 4	Nice information for every unlocker who not want lose them Idevice . Big up dear

11-24-2010, 09:02	#3 (permalink)
psytr0nic No Life Poster Join Date: Oct 2010 Location: Abidjan Age: 38 Posts: 2,478 Member: 1418143 Status: Offline Thanks Meter: 353	Usefull for avoid much problem .

11-24-2010, 09:46	#4 (permalink)
sit@ Major Poster Join Date: Oct 2010 Posts: 40 Member: 1417364 Status: Offline Thanks Meter: 1	nice dear , it will help everybody who search before job .